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Usually, hearing impaired people use hearing aids which are implemented with speech enhancement algorithms. Estimation of speech and estimation of nose are the components in single channel speech enhancement system. The main objective of…

声音 · 计算机科学 2014-11-10 M. Ravichandra Kumar , B. Ravi Teja

Recorrupted-to-Recorrupted (R2R) has emerged as a methodology for training deep networks for image restoration in a self-supervised manner from noisy measurement data alone, demonstrating equivalence in expectation to the supervised squared…

图像与视频处理 · 电气工程与系统科学 2025-04-01 Brayan Monroy , Jorge Bacca , Julián Tachella

Outlying observations, which significantly deviate from other measurements, may distort the conclusions of data analysis. Therefore, identifying outliers is one of the important problems that should be solved to obtain reliable results.…

统计计算 · 统计学 2014-05-01 Soo-Heang Eo , Seung-Mo Hong , HyungJun Cho

Noisy training set usually leads to the degradation of generalization and robustness of neural networks. In this paper, we propose using a theoretically guaranteed noisy label detection framework to detect and remove noisy data for Learning…

机器学习 · 计算机科学 2022-03-22 Yikai Wang , Xinwei Sun , Yanwei Fu

Robust estimation is an important and timely research subject. In this paper, we investigate performance lower bounds on the mean-square-error (MSE) of any estimator for the Bayesian linear model, corrupted by a noise distributed according…

统计方法学 · 统计学 2017-07-12 Virginie Ollier , Rémy Boyer , Mohammed Nabil El Korso , Pascal Larzabal

In this paper, we address the challenge of deriving dynamical models from sparse and noisy data. High-quality data is crucial for symbolic regression algorithms; limited and noisy data can present modeling challenges. To overcome this, we…

机器学习 · 计算机科学 2024-10-14 Junette Hsin , Shubhankar Agarwal , Adam Thorpe , Luis Sentis , David Fridovich-Keil

Trajectory Reconstruction (TR) is vital for accurately mapping movement patterns and validating analyses, especially in fields like robotics, biomechanics, and environmental tracking, where data might be missing or affected by outliers.…

信号处理 · 电气工程与系统科学 2024-10-29 Arslan Majal , Aamir Hussain Chughtai

Using a Bayesian approach, we consider the problem of recovering sparse signals under additive sparse and dense noise. Typically, sparse noise models outliers, impulse bursts or data loss. To handle sparse noise, existing methods…

机器学习 · 统计学 2015-01-13 Martin Sundin , Saikat Chatterjee , Magnus Jansson

We consider the problem of estimating the state transition matrix of a linear time-invariant (LTI) system, given access to multiple independent trajectories sampled from the system. Several recent papers have conducted a non-asymptotic…

系统与控制 · 电气工程与系统科学 2025-05-29 Vinay Kanakeri , Aritra Mitra

The approximation and convergence properties of implicit neural representations (INRs) are known to be highly sensitive to parameter initialization strategies. While several data-driven initialization methods demonstrate significant…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Kushal Vyas , Alper Kayabasi , Daniel Kim , Vishwanath Saragadam , Ashok Veeraraghavan , Guha Balakrishnan

Robust regression aims to develop methods for estimating an unknown regression function in the presence of outliers, heavy-tailed distributions, or contaminated data, which can severely impact performance. Most existing theoretical results…

机器学习 · 统计学 2025-03-27 Hongwei Wen , Annika Betken , Wouter Koolen

The Seemingly Unrelated Regressions (SUR) model is a wide used estimation procedure in econometrics, insurance and finance, where very often, the regression model contains more than one equation. Unknown parameters, regression coefficients…

统计方法学 · 统计学 2021-07-05 Giovanni Saraceno , Fatemah Alqallaf , Claudio Agostinelli

Recently the sparse representation based classification (SRC) has been proposed for robust face recognition (FR). In SRC, the testing image is coded as a sparse linear combination of the training samples, and the representation fidelity is…

计算机视觉与模式识别 · 计算机科学 2015-06-04 Meng Yang , Lei Zhang , Jian Yang , David Zhang

We initiate the study of stochastic optimization with oblivious noise, broadly generalizing the standard heavy-tailed noise setup. In our setting, in addition to random observation noise, the stochastic gradient may be subject to…

数据结构与算法 · 计算机科学 2024-08-06 Ilias Diakonikolas , Sushrut Karmalkar , Jongho Park , Christos Tzamos

This note studies a method for the efficient estimation of a finite number of unknown parameters from linear equations, which are perturbed by Gaussian noise. In case the unknown parameters have only few nonzero entries, the proposed…

系统与控制 · 计算机科学 2014-05-27 Liang Dai , Kristiaan Pelckmans

Time series data are often affected by various forms of corruption, such as missing values, noise, and outliers, which pose significant challenges for tasks such as forecasting and anomaly detection. To address these issues, inverse…

机器学习 · 计算机科学 2025-10-21 Keivan Faghih Niresi , Zepeng Zhang , Olga Fink

Robust and sparse estimation of linear regression coefficients is investigated. The situation addressed by the present paper is that covariates and noises are sampled from heavy-tailed distributions, and the covariates and noises are…

机器学习 · 统计学 2022-10-11 Takeyuki Sasai

Outlier-robust estimation is a fundamental problem and has been extensively investigated by statisticians and practitioners. The last few years have seen a convergence across research fields towards "algorithmic robust statistics", which…

机器学习 · 统计学 2022-12-19 Luca Carlone

With the dramatic increase of dimensions in the data representation, extracting latent low-dimensional features becomes of the utmost importance for efficient classification. Aiming at the problems of unclear margin representation and…

机器学习 · 计算机科学 2020-06-16 Liangchen Hu , Wensheng Zhang

Several learning applications require solving high-dimensional regression problems where the relevant features belong to a small number of (overlapping) groups. For very large datasets and under standard sparsity constraints, hard…

机器学习 · 统计学 2016-05-30 Prateek Jain , Nikhil Rao , Inderjit Dhillon